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发明名称
Automatic sprinkling device
摘要
申请公布号
US2611643(A)
申请公布日期
1952.09.23
申请号
US19470776395
申请日期
1947.09.26
申请人
HIGGINS RALPH V
发明人
HIGGINS RALPH V.
分类号
A01G25/16
主分类号
A01G25/16
代理机构
代理人
主权项
地址
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